Over a million students use our free study notes to help them with their homework
Enzymes are typically globular proteins that catalyse a specific reaction. Being proteins, enzymes have a well-defined overall conformation (shape), or 'tertiary structure', which allows formation of a ca...
Antibodies are produced by B cells, mostly by plasma cells, in response to signals from other cells of the immune system. They are also known as immunoglobulins and have a Y shaped structure.
When ...
It is a simple idea whereby we take new working genes, named wild types, and replace the faulty genes of some ones cells. This means the cells will then take up the new DNA and make a functional version o...
The process of breathing is made up of two components:
Inhalation is the process of filling the lungs with air. As they fill they expand and so th...
By inhibiting the enzyme acetylcholinesterase, the neurotransmitter acetylcholine does not get broken down. This causes acetylcholine to build up in the synapse between the motor neurones and muscles of r...
←
371
372
373
374
375
→
Internet Safety
Payment Security
Cyber
Essentials